75664003 has 4 divisors (see below), whose sum is σ = 75714400. Its totient is φ = 75613608.

The previous prime is 75663953. The next prime is 75664007. The reversal of 75664003 is 30046657.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75664003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75664007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22875 + ... + 25972.

It is an arithmetic number, because the mean of its divisors is an integer number (18928600).

Almost surely, 2^75664003 is an apocalyptic number.

75664003 is a deficient number, since it is larger than the sum of its proper divisors (50397).

75664003 is a wasteful number, since it uses less digits than its factorization.

75664003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50396.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 75664003 is about 8698.5057912264. The cubic root of 75664003 is about 422.9572152029.

The spelling of 75664003 in words is "seventy-five million, six hundred sixty-four thousand, three".